Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-30:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8896 |
7568 |
150 |
111 |
2 |
0 |
0 |
0 |
| OW |
0 |
567 |
309 |
430 |
260 |
9 |
0 |
0 |
| VODI |
0 |
49 |
138 |
333 |
426 |
159 |
0 |
0 |
| ODI |
0 |
9 |
39 |
133 |
217 |
347 |
16 |
0 |
| CDI |
0 |
0 |
10 |
86 |
204 |
1083 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
100 |
4295 |
5878 |
0 |
|
...date precedes bulletin
|
Date: 2022-10-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8014 |
7839 |
196 |
54 |
1 |
0 |
0 |
0 |
| OW |
0 |
598 |
345 |
540 |
139 |
14 |
0 |
0 |
| VODI |
0 |
58 |
120 |
349 |
578 |
185 |
0 |
0 |
| ODI |
0 |
1 |
17 |
176 |
211 |
423 |
16 |
0 |
| CDI |
0 |
0 |
2 |
62 |
212 |
739 |
202 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
33 |
3232 |
7725 |
0 |
|
...date precedes bulletin
|
Date: 2022-10-04:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7925 |
7931 |
268 |
78 |
16 |
0 |
0 |
0 |
| OW |
3 |
276 |
277 |
395 |
35 |
1 |
0 |
0 |
| VODI |
0 |
26 |
135 |
538 |
328 |
14 |
0 |
0 |
| ODI |
0 |
0 |
7 |
201 |
679 |
149 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
325 |
936 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
52 |
2990 |
7718 |
708 |
|
...date precedes bulletin
|
Date: 2022-10-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7017 |
8010 |
277 |
132 |
5 |
0 |
0 |
0 |
| OW |
13 |
488 |
285 |
347 |
102 |
12 |
0 |
0 |
| VODI |
0 |
45 |
161 |
544 |
284 |
73 |
0 |
0 |
| ODI |
0 |
0 |
5 |
297 |
496 |
193 |
3 |
0 |
| CDI |
0 |
0 |
0 |
32 |
453 |
720 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
106 |
4870 |
6762 |
297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7009 |
7994 |
290 |
166 |
5 |
0 |
0 |
0 |
| OW |
21 |
495 |
273 |
274 |
80 |
8 |
0 |
0 |
| VODI |
0 |
54 |
159 |
561 |
287 |
84 |
1 |
0 |
| ODI |
0 |
0 |
6 |
291 |
403 |
201 |
2 |
0 |
| CDI |
0 |
0 |
0 |
60 |
563 |
723 |
55 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
108 |
4852 |
6752 |
297 |
|
Date: 2022-10-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4971 |
7744 |
1102 |
212 |
12 |
0 |
0 |
0 |
| OW |
88 |
877 |
251 |
450 |
173 |
5 |
0 |
0 |
| VODI |
3 |
73 |
99 |
403 |
672 |
145 |
0 |
0 |
| ODI |
0 |
3 |
13 |
87 |
585 |
317 |
4 |
0 |
| CDI |
0 |
0 |
0 |
22 |
282 |
647 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
4658 |
8084 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5007 |
7786 |
1116 |
228 |
29 |
0 |
0 |
0 |
| OW |
52 |
723 |
208 |
406 |
127 |
5 |
0 |
0 |
| VODI |
3 |
187 |
131 |
422 |
710 |
165 |
0 |
0 |
| ODI |
0 |
1 |
9 |
96 |
487 |
349 |
3 |
0 |
| CDI |
0 |
0 |
1 |
22 |
354 |
597 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
4656 |
8077 |
0 |
|
Date: 2022-10-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5723 |
7345 |
354 |
193 |
20 |
0 |
0 |
0 |
| OW |
51 |
615 |
272 |
425 |
98 |
0 |
0 |
0 |
| VODI |
13 |
23 |
85 |
482 |
526 |
35 |
0 |
0 |
| ODI |
0 |
1 |
11 |
92 |
821 |
361 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
267 |
1177 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
66 |
3563 |
8656 |
728 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5705 |
6722 |
342 |
297 |
66 |
0 |
0 |
0 |
| OW |
60 |
808 |
214 |
370 |
244 |
39 |
0 |
0 |
| VODI |
22 |
411 |
125 |
398 |
657 |
321 |
0 |
0 |
| ODI |
0 |
36 |
25 |
82 |
415 |
479 |
24 |
0 |
| CDI |
0 |
7 |
16 |
56 |
283 |
571 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
133 |
3726 |
8597 |
728 |
|
Date: 2022-10-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4369 |
7626 |
340 |
237 |
22 |
0 |
0 |
0 |
| OW |
0 |
653 |
356 |
500 |
191 |
19 |
0 |
0 |
| VODI |
0 |
202 |
110 |
526 |
680 |
126 |
0 |
0 |
| ODI |
0 |
0 |
6 |
54 |
629 |
431 |
24 |
0 |
| CDI |
0 |
0 |
0 |
20 |
271 |
881 |
276 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
66 |
2313 |
8523 |
2629 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4364 |
7136 |
326 |
384 |
101 |
5 |
0 |
0 |
| OW |
5 |
714 |
228 |
342 |
292 |
60 |
0 |
0 |
| VODI |
0 |
582 |
210 |
461 |
646 |
372 |
30 |
0 |
| ODI |
0 |
48 |
42 |
100 |
460 |
463 |
142 |
0 |
| CDI |
0 |
1 |
6 |
50 |
271 |
532 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
89 |
2338 |
8403 |
2629 |
|
Date: 2022-10-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4905 |
6608 |
213 |
139 |
17 |
0 |
0 |
0 |
| OW |
35 |
687 |
330 |
421 |
259 |
63 |
0 |
0 |
| VODI |
21 |
109 |
79 |
466 |
701 |
460 |
10 |
0 |
| ODI |
0 |
18 |
19 |
54 |
406 |
589 |
103 |
0 |
| CDI |
0 |
6 |
7 |
55 |
145 |
759 |
263 |
0 |
| VCDI |
0 |
0 |
4 |
24 |
157 |
2472 |
10214 |
1264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4882 |
6085 |
237 |
287 |
216 |
85 |
0 |
0 |
| OW |
45 |
626 |
177 |
291 |
312 |
191 |
0 |
0 |
| VODI |
34 |
635 |
165 |
358 |
441 |
624 |
83 |
0 |
| ODI |
0 |
69 |
53 |
128 |
439 |
638 |
234 |
0 |
| CDI |
0 |
13 |
19 |
86 |
145 |
475 |
383 |
0 |
| VCDI |
0 |
0 |
1 |
9 |
132 |
2330 |
9890 |
1264 |
|
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